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CTs for three phase currents
(i)
Depending on actual CTs arrangements, the user can select a style among No. 101–104. Find
a matching style and define it by settings [Conn-CT] and [2P_Type].
Table 5.4-2 Connection styles for CTs for three phase currents
No.
Connection styles
101
Not to input
To input
102
3-phase currents
from 3-phase CTs
To input
103
2-phase currents
from 2-phase CTs
To input
104
3-phase currents
from 2-phase CTs
Combination settings
[Conn-CT]
[2P_Type]
(N/A)
No use
(N/A)
3P
1
2P
2
- 633 -
Wiring examples
No current inputted to CT-I
Busbar
A B C
3-phase currents (Ia, Ib and Ic) inputted to
CT-I
, I
and I
L1
L2
L3
Busbar
A B C
2-phase currents (Ia and Ic) inputted to CT-
I
and I
L1
L3
Busbar
A B C
3-phase currents (Ia, Ib and Ic) inputted to
CT-I
, I
and I
L1
L2
L3
Busbar
A B C
6F2T0207 (0.01)
, I
and I
L1
L2
L3
1
I
--
L1
2
3
I
--
L2
4
5
I
L3
--
6
1
I
Ia
L1
2
3
I
Ib
L2
4
5
I
Ic
L3
6
1
I
Ia
L1
2
3
I
--
L2
4
5
I
Ic
L3
6
1
I
Ia
L1
2
3
I
Ib
L2
4
5
I
L3
Ic
6
GRE200 (5,6)
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